Apple just announced a seismic leadership change. John Ternus, the company's longtime hardware engineering chief, will replace Tim Cook as CEO on September 1st. Cook will transition to executive chairman on the same day.
The board approved the succession plan on April 17th. Cook will remain CEO through the transition period until the official handover this fall.
Ternus is 50 years old. He joined Apple in 2001 as a mechanical engineer and rose through the ranks to become senior vice president of hardware engineering. He's led engineering teams for virtually every major hardware product line: iPhone, iPad, Mac, Apple Watch, AirPods, and the Vision Pro. With this promotion, he'll also join Apple's board, becoming the company's eighth CEO in its history.
His former hardware engineering duties will be taken over by Johny Srouji, who gets a new title: chief hardware officer. Current non-executive chairman Arthur Levinson will become lead independent director.
Cook is 65. He took the CEO role from Steve Jobs in 2011. Under his leadership, Apple's market cap soared more than 20-fold, closing Monday at $4 trillion. Revenue nearly quadrupled from when he started, with the latest fiscal year topping $400 billion.
The AI challenge awaits
Ternus's first major test will be Apple's AI strategy. The company is playing catch-up, lagging about a year behind Google, OpenAI, and Anthropic. A promised Siri upgrade last year never materialized, and in December, Apple replaced its AI chief with an executive poached from Google.
Apple has confirmed the next version of Siri will integrate Google's Gemini model, with a planned launch later this year. Beyond AI, Ternus will also inherit challenges like Trump-era tariffs and memory shortages driven by skyrocketing demand for AI chips.
A surprise transition
The timing caught the industry off guard. Cook just last month denied plans to retire during an appearance on ABC's Good Morning America. Wedbush analyst Dan Ives told CNBC that most observers expected Cook to stay on for at least another year.